PROCELLARUS. — PROCNIAS. 
309 
turtiir SoLANDER. — Banks, Icon. ined. 15. = Procellaria ariel Sciileg. 
unicolor Gould. — Procellaria grisea Bonnat. 
urinatrix Gmelin, Syst. Nat. I. 560. = Halodroma urinatrix Illig, 
vagabunda Solander. = Procellaria leucocephala Forst. 
variegata Bonnaterre, Encycl. méth. 78. = Procellaria leucocephala Forst. 
velox Banks, Icones ined. 16. — Procellaria ariel Schleg. 
vittata Gmelin, Syst. Nat. 1. 560. — Forster, Icon. ined. 87. — Schlegel, 
Mus. Pays-Bas Procell. 16. [Terrae antarct. 
Prion vittatus Lacépède, Mém. L'Institut 1800. 514. — Gould, Birds Australia 
VII. Tb. 55. — Coues, Proc. acad. Philadelphia 1866. 169. 
Pachyptila vittata Illiger, Prodr. Syst. 275. 
Procellaria Forsteri Latham, Ind. Ornith. II. 827. 
Pachyptila Forsteri Swainson, Classif. Birds II. 374. — Jardine, Illustr. Ornith. 
Tb. 47. 
Prion Forsteri Stephens, gener. Zool. XIII. 251. 
Procellaria latirostris Bonnaterre, Encycl. méth. 81. 
Prion magnirostris Gould, Proc. Zool. Soc. 1862. 125. 
Prion australis Potts, Ibis 1873. IIL 85; Transact. New Zeal. Inst. V. 30. 171. 
Prion lamellirostris Delattre, teste Gray, 
vittata KuHL, Monogr. Procell. 149. Tb. 11. Fig. 13. = Procellaria Banksi 
Schleg. 
Wilsoni Bonaparte, Journ. acad. Philadelphia III. 231. Tb. 9. = Procellaria 
oceanica Kuhl. 
yelkuan Acerbi, Bibliot. italiana 1827. IXL. 294. = Puffinus yelkuan Bonap. 
PROCELLARUS neglectus Bonaparte, Revue Mag. Zool. 1855. VIL 13. = Larus 
Belcheri Vig. 
PROCELSTERNA de Lafresnaye, Revue Zool. 1841. 242. = Sterna tereti- 
collis Lafr. 
PROCNE Desmurs 1852. = Progne Boie. 
PROCIVIAS (Sylvicolidae. — procne) Illiger, Prodr. Syst. 1811. 228. — Bur- 
meister, syst. Uebers. Th. Bras. III. 191. 
Synon.: Tersa, Tersina Vieill. 
Rostrum brevius , basi latissimum, depressurriy grypanium , dertro subadunco 
compressor mandibulis triangularibus ; tomiis maxillaribus versus basin utrinsecus 
dilatatis, versus apicem contractis, ibidem emarginatis. Myxa apice sursum inflexo. 
Furca admodum patens, gnathidiis angustis. Nares basales^ latae, a culmine ad 
tomia fere extensae, membrana, plumis frontalibus aut setis obsita, clausae, antice 
foramine rotundata pertusae. Lingua brevissima, angusta^ apice acuta, bifida. 
Alae médiocres. Pedes ambulatorii, médiocres , congrui. Acropodia scutulata. 
Digiti antici laterales subaequales, medio breviores. Hallux digitum internum fere 
aequans, validier. Unguis posticus medium aequans, crassior. — 1 Spec. 
alba Gray, Genera Birds I. 280. = Chasmorhynchus nudicollis Tem. 
cucuUata Swainson, Zool. Illustr. Tb. 37. = Ampelis cucullata Tem. 
cyanotropus Pz. Wied, Reise I. 296. = Procnias tersa Cab. 
Heinei Cabanis, Mus. Heine. L 31. = Calliste atricapilla Bonap. 
hirundinacea Swainson, Zool. Illustr. 28. = Procnias tersa Cab. 
melanocephala Swainson, Zool. Illustr. 25. = Ampelis melanocephala Pz. Wied. 
nivea Gray, Genera Birds I. 280. = Chasmorhynchus niveus Cab. 
nudicollis Pz. Wied, Reise L 52. = Chasmorhynchus nudicollis Tem. 
occidentalis Sclater, Proc. Zool. Soc. 1854. 249. = Procnias tersa Cab. 
tersa Cabanis, Mus. Heine. 1. 30. — Burmeister, Uebers. Th. Brasil. III. 191. 
[Brasilia. Nova Granada. Peruvia. 
Ampelis tersa Linne, Syst. Nat. 1. 298. 
Procnias viridis Illiger, Prodr. Syst. 229. [nec Procn. ventralis autor.] 
Hirundo viridis Temminck, Catal. 
Procnias ventralis Lesson, Traité Ornith. 366. 
Tersa cayana Stephens, gener. Zool. 
